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ACT2113 Datasheet(PDF) 6 Page - Active-Semi, Inc |
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ACT2113 Datasheet(HTML) 6 Page - Active-Semi, Inc |
6 / 17 page ACT2113 Rev 3, 23-May-12 ® Innovative PowerTM - 6 - www.active-semi.com Copyright © 2012 Active-Semi, Inc. Secondary Over Current Protection (SOCP) In normal operation, ACT2113 high-side FET current is protected by cycle-by-cycle current limit. In some fault conditions, the input current may run away. SOCP current limit is set 30% higher than cycle-by-cycle current limit, and once SOCP is triggered, ACT2113 goes into hiccup mode and reduce the power dissipation significantly. Enable Pin The ACT2113 has an enable input EN for turning the IC on or off. The EN pin contains a precision 2.5V comparator with 75mV hysteresis and a 1.3μA pull-up current source. The comparator can be used with a resistor divider from VIN to program a startup voltage higher than the normal UVLO value. If left floating, the EN pin will be pulled up to roughly 5V by the internal 1.3μA current source. It can be driven from standard logic signals greater than 2.5V, or driven with open-drain logic to provide digital on/off control. Thermal Shutdown The ACT2113 disables switching when its junction temperature exceeds 160°C and resumes when the temperature has dropped by 30°C. |
Similar Part No. - ACT2113_14 |
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Similar Description - ACT2113_14 |
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